CN207245317U - A kind of mountain area 500kV ac transmissions single loop tangent tower - Google Patents
A kind of mountain area 500kV ac transmissions single loop tangent tower Download PDFInfo
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- CN207245317U CN207245317U CN201720707178.9U CN201720707178U CN207245317U CN 207245317 U CN207245317 U CN 207245317U CN 201720707178 U CN201720707178 U CN 201720707178U CN 207245317 U CN207245317 U CN 207245317U
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Abstract
A kind of mountain area 500kV ac transmissions single loop tangent tower, including tower body, the top of tower body supports connecting cross beam by above cranking arm with lower bent lever, and the both ends of crossbeam are connected with the conducting wire cross-arm for hanging two-phase transmission pressure, the earth wire support for hanging ground wire is provided with above crossbeam；On crank arm one phase transmission pressure of upper suspension, conducting wire cross-arm and above crank arm and be equipped with conducting wire hanging point；Ground wire hanging point is provided with earth wire support, ground wire hanging point and conducting wire hanging point are hanging plate type hanging point；The termination of earth wire support is beak type, and the lower plane of beak part is trapezoidal, and ground wire hanging point is arranged on the lower plane of beak part, and the cross-arm termination of conducting wire cross-arm is pointed, and the bottom shape of conducting wire cross-arm is rectangle；The bottom of tower body is provided with tower leg, and tower leg is made of two different supporting legs of length.The utility model disclosure satisfy that the requirement that can not almost found tower alpine terrain, ensure that being smoothed out for line project, avoids work of relocating, and can effectively shorten the duration of a project.
Description
Technical field
It the utility model is related to a kind of power equipment, and in particular to a kind of mountain area 500kV ac transmissions single loop tangent tower.
Background technology
Pylon can carry out power circuit aerial and play the role of being effectively protected, the design of pylon, manufacture, installation,
Safeguard and quality testing is modern power systems operation and the important step developed.Pylon is generally divided into tangent tower and corner
Tower, although the application of complete unequel leg extension tangent tower is more at present, technology is more mature, height between existing unequal leg
Difference is small, it is difficult to meet the mountain terrain of nearly tens meters of height difference, especially in the larger mountain area of the gradient, traditional unequal leg steel tower
Often with actually differing greatly, construction is difficult to application conditions.Therefore, it is badly in need of studying new tower leg pattern, original
Tower leg structure upper increases K-type internode so that the height difference span increase of unequal leg, to meet the practice of construction in the dangerously steep mountain area of landform
It is required that.
Utility model content
The purpose of this utility model is that it is directed to above-mentioned the problems of the prior art, there is provided a kind of mountain area 500kV exchanges are defeated
Electric single loop tangent tower, which can optimize the line route of cliffy mountain, and without relocating, construction cost is relatively low.
To achieve these goals, the technical solution adopted in the utility model is：Including tower body, the top of tower body passes through upper
Crank arm and support connecting cross beam with lower bent lever, the both ends of crossbeam are connected with the conducting wire cross-arm for hanging two-phase transmission pressure, crossbeam
Top be provided with earth wire support for hanging ground wire；Crank arm on described it is upper suspension one phase transmission pressure, conducting wire cross-arm with
On crank arm and be equipped with conducting wire hanging point；Ground wire hanging point is provided with the earth wire support, ground wire hanging point is to hang with conducting wire hanging point
Template hanging point；
Crank arm on described and be composed with lower bent lever by two parts pyramidal structure, the top connection of lower bent lever and tower body
And two parts pyramidal structure expands outwardly, connection opposite with the pyramidal structure tip of lower bent lever of above cranking arm, above cranks arm and is arranged on down
The surface cranked arm, crossbeam are connected with the pyramidal structure afterbody above cranked arm；The termination of the earth wire support is beak type, beak portion
The lower plane divided is trapezoidal, and ground wire hanging point is arranged on the lower plane of beak part, and the cross-arm termination of conducting wire cross-arm is pointed, is led
The bottom shape of line cross-arm is rectangle；The bottom of the tower body is provided with tower leg, and tower leg is made of two different supporting legs of length.
The lower plane outermost end mouth width of the earth wire support is 0.6m；The bottom surface mouth width of conducting wire cross-arm is 1.4m；
On width at the tip being connected between lower bent lever of cranking arm be 14.0m.
The ground wire hanging point be symmetricly set on the end of earth wire support away from tower body central axes 14.0m at；Conducting wire hanging point is symmetrical
It is arranged on away from the 16.4m of tower body central axes；On the crank arm conducting wire hanging point on top be symmetricly set on away from the 6.292m of tower body central axes.
The floor projection length of the earth wire support is 5.35m, and vertical direction is highly 4.6m；The length of the conducting wire cross-arm
Spend for 7.75m, conducting wire cross-arm and the root of crossbeam junction are highly 2.7m；The overall length of the crossbeam is 17.3m, and crossbeam
Height is 1m at central axes, and crossbeam and junction width of above cranking arm are 2.5m.
The end angle of the earth wire support is 45.1 °；The cross-arm termination angle of conducting wire cross-arm is 19.38 °.
Interlamellar spacing between the top of the earth wire support and conducting wire cross-arm is 7.3m, conducting wire cross-arm and junction of cranking arm
Interlamellar spacing be 7.7m, at the top of crank arm junction and tower body between interlamellar spacing be 9.9m.
Form in two supporting legs of tower leg and be provided with extending bracket in long leg, and the minimum length of short tower leg is 3.4m,
The maximum length of long tower leg is 23.4m, and the maximum length difference of two supporting legs is 20m.
Tower body is made of Q420 steel, transmission pressure using duplex gold utensil and conducting wire cross-arm and on crank arm and be connected.
Compared with prior art, the utility model has following beneficial effect：Forming the supporting leg of tower leg can select
3.4m, 5.4m, 15.4m, 23.4m highly differ bigger four groups and connect leg, and half root of most long leg opens control in 7.994m,
Disclosure satisfy that can not almost stand the requirement of tower alpine terrain, ensure that being smoothed out for line project, avoid work of relocating, energy
Enough effective shortening durations of a project.The top of the utility model tower body supports connecting cross beam, crossbeam by above cranking arm with lower bent lever
Both ends be connected to the conducting wire cross-arm of suspension two-phase transmission pressure, the ground wire branch for hanging ground wire is provided with above crossbeam
Frame, one phase transmission pressure of upper suspension of above cranking arm, conducting wire cross-arm are equipped with conducting wire hanging point with above cranking arm, and the structure arrangement of the steel tower is closed
Reason, power transmission is clear and definite, has ensured the safe operation of engineering.In addition, the termination of the utility model earth wire support is beak type, and beak
To be trapezoidal, ground wire hanging point is arranged on the lower plane of beak part partial lower plane, the cross-arm termination of conducting wire cross-arm be it is pointed,
The bottom shape of conducting wire cross-arm is rectangle, and ground wire hanging point and conducting wire hanging point are hanging plate type hanging point, avoid welding job, effectively
The stress performance of hanging point is strengthened, meets the requirements such as hanging wire node strength, it is easy for construction, reduce tower weight.
Brief description of the drawings
The overall structure diagram of Fig. 1 the utility model；
The structure diagram of the short tower leg of Fig. 2 the utility model；
In attached drawing：1- crossbeams；2- earth wire supports；3- conducting wire cross-arms；Crank arm on 4-；5- lower bent levers；6- junctions；7- towers
Body；8- tower legs；The short tower legs of 9-.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.
Referring to Fig. 1-2, the utility model includes crossbeam 1 in structure, is symmetricly set on above crossbeam 1 both sides is used to hang
The earth wire support 2 of ground wire and it is symmetricly set on the conducting wire cross-arm 3 that the left and right sides of crossbeam 1 is used to hang two-phase transmission pressure；Ground
Line bracket 2, conducting wire cross-arm 3 are connected with crossbeam 1.Conducting wire cross-arm 3 includes Liang Ge branches and Liang Ge branches are symmetrically arranged
In the left and right sides of crossbeam 1.Crossbeam 1 is symmetrically distributed at left and right sides of the central axes of tower body 7, and the height at central axes is 1.0m,
Height with earth wire support 2,3 junction of conducting wire cross-arm is respectively 2.7m, overall length 17.3m.
Earth wire support 2 is symmetrically disposed on the top of crossbeam 1, its end shape is beak type, and the lower plane of beak part is
Trapezoidal, top mouth width is 0.685m, and end mouth width is 0.6m.Ground wire hanging point is symmetricly set under 2 beak part of earth wire support and puts down
Identity distance from tower body central axes 14.0m at, earth wire support 2 be used for hang ground wire, ground wire shields twice conducting wires.
Conducting wire cross-arm 3 includes Liang Ge branches, is respectively rectangle positioned at the left and right sides of crossbeam 1, its bottom shape, mouth width is
1.4m, and to tower head the right and left horizontal stretching and keep symmetrical.Conducting wire cross-arm 3 is used to hang two-phase transmission pressure, and meets
Electric clearance requirement.The length of conducting wire cross-arm 3 is 7.75m, and hanging point is apart from tower body center 16.4m.
On crank arm and 4 include Liang Ge branches, respectively positioned at the left and right sides of the lower section of crossbeam 1, be connected with lower bent lever 5 below
Connect and keep symmetrical, and be symmetrical set in upper inner side of cranking arm two conducting wire hanging points be used for hang a phase conductor.
Lower bent lever 5 be located above crank arm 4 lower section, lower bent lever 5 includes Liang Ge branches, is symmetrically arranged in 7 top of tower body
The left and right sides, be connected with tower body 7.Lower bent lever 5 and the junction width of tower body 7 are 4.92m.
Interlamellar spacing between earth wire support 2 and conducting wire cross-arm 3 is 6.5m；Between conducting wire cross-arm 3 and upper lower bent lever junction 6
Interlamellar spacing be 7.7m；Spacing between upper lower bent lever junction 6 and lower bent lever 5,7 junction of tower body is 9.9m.
The conducting wire hanging point of the utility model conducting wire cross-arm 3 sets single double hanging point to be connected with gold utensil, reasonable structural arrangement, power transmission
Clearly, the safe operation of engineering has been ensured.The utility model tangent tower ground wire hanging point is arranged on 2 beak type of earth wire support construction
Lower plane end, conducting wire hanging point be separately positioned on conducting wire cross-arm 3 bottom, on crank arm 4 inner side, hanging point uses hanging plate type
Formula, so as to avoid welding job, the effective stress performance for strengthening hanging point, meets the requirements such as the intensity of hanging wire node.
Conducting wire cross-arm 3 and on the interlamellar spacing cranked arm between 4, lower bent lever, 5 junction be 7.7m；Upper lower bent lever junction 6 with
Spacing between lower bent lever 5,7 junction of tower body is 9.9m.The position of rational selection junction 6 can effectively save material
Material, and stress can be more preferable.Tower body 7 is mainly made of Q420 high-strength steel, and the rigidity of main material changes according to rule from top to bottom, to the greatest extent
Amount reduces welding, easy for construction, reduces tower weight.The bottom connection tower leg of tower body 7, two leg length differences of the tower leg, with suitable
Answer different topography and geomorphologies.8 left and right sides of tower leg is highly respectively 3.4m, 15.4m, and height differs 12m.Meanwhile short tower leg 9 or so
Side height is also different, is respectively 5.4m, 23.4m, and height differs 18m.Maximum half root of steel tower opens control in 7.994m.
In the structure arrangement of the utility model, 3.4m, 5.4m, 15.4m and 23.4m highly differ bigger four are employed
Group supporting leg, while half root of most long leg is opened into control in 7.994m so that steel tower can adapt to very steep hills area landform,
Line route is optimized, not only reduces the cost of engineering, while can effectively shorten the duration of a project, disclosure satisfy that the line in severe area
Road, which is set up, to be required, and the steel tower arranged using complete unequel leg extension, enables to line route more to optimize, and reduces project cost.
Claims (8)
- A kind of 1. mountain area 500kV ac transmissions single loop tangent tower, it is characterised in that：Including tower body (7), the top of tower body (7) By above cranking arm (4) and lower bent lever (5) supports connecting cross beam (1), the both ends of crossbeam (1) are connected with leads for hanging two-phase transmission of electricity The conducting wire cross-arm (3) of line, the earth wire support (2) for hanging ground wire is provided with above crossbeam (1)；Crank arm on described (4) It is upper suspension one phase transmission pressure, conducting wire cross-arm (3) and above crank arm (4) be equipped with conducting wire hanging point；Set on the earth wire support (2) Ground wire hanging point is equipped with, ground wire hanging point and conducting wire hanging point are hanging plate type hanging point；Crank arm on described (4) and lower bent lever (5) is composed by two parts pyramidal structure, lower bent lever (5) and tower body (7) Top connects and two parts pyramidal structure expands outwardly, (4) connection opposite with the pyramidal structure tip of lower bent lever (5) of above cranking arm, On crank arm (4) be arranged on the surfaces of lower bent lever (5), crossbeam (1) is connected with the pyramidal structure afterbody of (4) of above cranking arm；Describedly The termination of line bracket (2) is beak type, and the lower plane of beak part is trapezoidal, and ground wire hanging point is arranged on the lower plane of beak part On, the cross-arm termination of conducting wire cross-arm (3) is pointed, and the bottom shape of conducting wire cross-arm (3) is rectangle；The bottom of the tower body (7) Tower leg (8) is provided with, tower leg (8) is made of two different supporting legs of length.
- 2. mountain area 500kV ac transmissions single loop tangent tower according to claim 1, it is characterised in that：The earth wire support (2) lower plane outermost end mouth width is 0.6m；The bottom surface mouth width of conducting wire cross-arm (3) is 1.4m；On width at the tip being connected between lower bent lever (5) of cranking arm (4) be 14.0m.
- 3. mountain area 500kV ac transmissions single loop tangent tower according to claim 1, it is characterised in that：The ground wire hanging point Be symmetricly set on the end of earth wire support (2) away from tower body central axes 14.0m at；Conducting wire hanging point is symmetricly set on away from tower body central axes At 16.4m；On the crank arm conducting wire hanging point on (4) top be symmetricly set on away from the 6.292m of tower body central axes.
- 4. mountain area 500kV ac transmissions single loop tangent tower according to claim 1, it is characterised in that：The earth wire support (2) floor projection length is 5.35m, and vertical direction is highly 4.6m；The length of the conducting wire cross-arm (3) is 7.75m, conducting wire Cross-arm (3) and the root of crossbeam (1) junction are highly 2.7m；The overall length of the crossbeam (1) is 17.3m, and crossbeam (1) is in Height is 1m at axis, and crossbeam (1) and junction width of above cranking arm are 2.5m.
- 5. mountain area 500kV ac transmissions single loop tangent tower according to claim 1, it is characterised in that：The earth wire support (2) end angle is 45.1 °；The cross-arm termination angle of conducting wire cross-arm (3) is 19.38 °.
- 6. mountain area 500kV ac transmissions single loop tangent tower according to claim 1, it is characterised in that：The earth wire support (2) interlamellar spacing between the top and conducting wire cross-arm (3) is 7.3m, and conducting wire cross-arm (3) and the interlamellar spacing for junction of cranking arm are 7.7m, the interlamellar spacing cranked arm between junction and tower body (7) top is 9.9m.
- 7. mountain area 500kV ac transmissions single loop tangent tower according to claim 1, it is characterised in that：Form tower leg (8) In two supporting legs, extending bracket is provided with long leg, and the minimum length of short tower leg is 3.4m, the maximum length of long tower leg is 23.4m, the maximum length difference of two supporting legs is 20m.
- 8. mountain area 500kV ac transmissions single loop tangent tower according to claim 1, it is characterised in that：Tower body (7) uses Q420 steel are made, transmission pressure using duplex gold utensil and conducting wire cross-arm (3) and on crank arm (4) be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720707178.9U CN207245317U (en) | 2017-06-16 | 2017-06-16 | A kind of mountain area 500kV ac transmissions single loop tangent tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720707178.9U CN207245317U (en) | 2017-06-16 | 2017-06-16 | A kind of mountain area 500kV ac transmissions single loop tangent tower |
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| Publication Number | Publication Date |
|---|---|
| CN207245317U true CN207245317U (en) | 2018-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720707178.9U Active CN207245317U (en) | 2017-06-16 | 2017-06-16 | A kind of mountain area 500kV ac transmissions single loop tangent tower |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109029393A (en) * | 2018-07-13 | 2018-12-18 | 中国能源建设集团安徽省电力设计院有限公司 | For assisting the photoelectricity instrument of alignment in the thick forest of mountain area |
-
2017
- 2017-06-16 CN CN201720707178.9U patent/CN207245317U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109029393A (en) * | 2018-07-13 | 2018-12-18 | 中国能源建设集团安徽省电力设计院有限公司 | For assisting the photoelectricity instrument of alignment in the thick forest of mountain area |
| CN109029393B (en) * | 2018-07-13 | 2023-12-12 | 中国能源建设集团安徽省电力设计院有限公司 | Photoelectric instrument for assisting line setting in mountain area close forest |
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